Skip to content- ▪ The young plant inside a grain of wheat is called the embryo plant
- ▪ In born behaviour that involve only one part of the body are called REFLEX ACTION
- ▪ Animals which obtain their food from dead organisms are called Scavengers
- ▪ Riboflavin is not affected by cooking.
- ▪ The number of chromosomes in the spermatozoa is twenty-three ▪ The energy possessed by a water fall is kinetic energy.
- ▪ Rainbows are produced by the reflection of light through raindrops.
- ▪ Light switches in our homes are connected in parallel series.
- ▪ Oil bulbs cleaner and is less damaging to the environment than coal as a fuel.
- ▪ Enzymes are biological catalysts which have multiple function in the body.
- ▪ The difference between electrical charges at the two ends of a conductor is called Potential difference.
- ▪ The branch of zoology which deals with the study of insects is called Entomology
- ▪ Fuels formed from animal and plant matter that lived thousands of years ago are known as fossil fuels
- ▪ Cryptograms is a coded message; a text or message that is in code or cipher
- ▪ Reserve food material is usually stored as starch in plants.Reserve food material is usually stored as glycogen in liver and muscles of animals.
- ▪ Purest form of iron is wrought iron
- ▪ Hypo is a solution of sodium thiosulphate
- ▪ Aorta is an organ of the circulatory system
- ▪ Circular aperture which appears as a dark spot in the eye is called pupil
- ▪ Bacteria are parasites
- ▪ Ruby is an Oxide of Aluminum▪ Visible light energy has the wavelength range of 400 to 700 Nanometer.
- The particles with positive charge but having mass equal to that of electron is called Proton.
- ▪ Iron corrodes due to the formation of Iron Oxide.
- ▪ Transistors do not need a warm up period because they have no Filament.
- ▪ The type of radiation hat is unaffected by magnetic field is called Alpha.
- ▪ The Kelven scale of temperature is called the absolute scale.
- ▪ If we know the mass of an object and the force applied on it, it is possible to calculate acceleration of the object.
- ▪ Arteries become hard due to deposition of Fats in them.
- ▪ What is the source of energy for the human brain? Phosphorous
- ▪ How many Ergs are these in 1 Joule? 107
- ▪ The unit of current is Ampere
- ▪ Who invented typewriter? Sholes
- ▪ The first attempt in printing was made in England by William Caxton ▪ Who was the surgeon who pioneered antiseptic surgery in 1865? Joseph Lister
- ▪ Who proposed the chemical evolution of life? Haechel .
- ▪ Who among the following evolved the concept of relationship between mass and energy? Einstein
- ▪ Who discovered Uranus? Herschel
- ▪ Which of the following helps in clotting of blood? Vitamin K (Blood do not clotting due to heparin)
- ▪ Total volume of blood in a normal adult human being is 5-6 liters
- Which of the following have maximum calorific value? Carbohydrates
- ▪ Which of the following vitamins promote healthy functioning of eyes in human beings? Vitamin A
- ▪ Bronchitis is a disease of which of the following organs? Respiratory tract
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